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  1. #1

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    Jul 2010
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    To al Yamaha SUV owner. I need help

    Just one quick question to all SUV owner that has a stock everything. What is your pop off psi for the carbs? In the menual it said it has high pop off, but how high is high? Thanks.


  2. #2

    Join Date
    Apr 2012
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    Matthews, NC
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    73
    Just rebuilt mine and pop off on springs that were in it were set at 58 psi. The new Mikuni kit had two springs. One silver that measures real high and a gold that was real low pop off pressures. Mine was running good before rebuild so I put the original springs back in my carbs set at 58 psi.

    Let me know what yours are because I couldn't find anything out on the website regarding pop off pressure with a 1.2 needle and seat.


    Good luck,

    mdavidthomas

    .
    Quote Originally Posted by birdgod View Post
    Just one quick question to all SUV owner that has a stock everything. What is your pop off psi for the carbs? In the menual it said it has high pop off, but how high is high? Thanks.

  3. #3
    butterbean_29512's Avatar
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    Sep 2013
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    The gold spring should yield the higher popoff. With 1.5 seat, should be about 55 per the mikuni manual

  4. #4

    Join Date
    Jul 2010
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    Mine is all stock 1.2 needle with 60psi pop off it keep giving me mid speed bogging. I wonder if I need to further reduce the pop off.

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